[  481.472951] netdevsim netdevsim402 eni402np1: renamed from eth0
[  481.574587] netdevsim netdevsim693 eni693np1: renamed from eth1
[  481.891536] Could not find device with ifindex 2000 in netnsfd 11
[  481.891679] Could not find netns with fd: 2000
[  481.891761] Cannot link a netdevsim to itself
[  481.891879] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).